Airway traffic control system



March 11, 1952 H. c. KENDALL ETAL 2,588,930

' AIRWAY TRAFFIC CONTROL SYSTEM Filed April 22. 1947 as Sheets-Sheet 1 Q I T T0 NEXT TO NE GROUND sTAnoN F lei, 1Q, GROUND 5TAT|ON March 11, 1952' H. c. KENDALL ET AL 2,588,930

AIRWAY TRAFFIC CONTROL SYSTEM Filed April 22, 1947 V 36 Sheets-Sheet 2 -ALT- ZONE 3.

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, INV NTORS 53 i H.C.Ke'n al/ and L.H. Orpm.

THEIR ATTORNEY arch 1952 H. c. KENDALL ETAL AIRWAY TRAFFIC CONTRQL SYSTEM 36 Sheets-Sheet 5 Filed April 22, 1947 H. c. KSWWZZGI L.H.0rpm. WM m.

THEIR ATTORNEY.

arch H, 1952 Filed April 22', 1947 [Llll| l||l|l|-|||l|flTLllllllllll llllIll H. c. KENDALL r AL 2,588,930

AIRWAY TRAFFIC CONTROL SYSTEM 36 Sheets-Sheet 6 INV NTORS H. C. Kenql all and L. H. 0 rpm.

THEIR ATTORNEY.

arch 1952 H. c. KENDALL ETAL AIRWAY TRAFFIC CONTROL SYSTEM 36 Sheets-Sheet 7 Filed April 22. 1947 INV NTORS H.C.Kenjall and L H.0r In.

THEIR ATTORNEY HI C. KENDALL ET AL AIRWAY TRAFFIC CONTROL SYSTEM March 11, 1952 56 Sheets-Sheet 8 Filed April 22, 1947 INVENT R5 H C Kendalfand wzzm THEIR ATTORNEY dm vi OP arch 11, 1952 H. c. KENDALL ET AL 2,588,930

AIRWAY TRAFFIC CONTROL SYSTEM Filed April 22, 1947 Y 56 Sheets-Sheet 9 5YNCHRON\ZAT\0N PULSE WIDTH D|5CR\M\NATOR & OUTPUT CIRCUIT 4:1 TIME DIVIDER 77 TO BLOCKS 6 Q TO BLOCKS BY L.H.0rpin.

THEIR ATTORNEY.

March 11, 1952 H. c. KENDALL ETAL 2,588,930

AIRWAY TRAFFIC CONTROL SYSTEM Filed April 22, 1947 2 6 Sneets-Sheet ll 3 FROM BLOCK 8O I am 1e7 I 4 I 21s To BLOCKS T0 BLOCK? 198 84, 87 a as 84,8! 589 215 N 0 or@ 214 TO BLOCKS 83 x as I L Y J 7- TYPICAL SEQUENCE GATE CIRCUlTS 85 TYPICAL ALTlTUDE 83 GATE cmcun' INV NTORS H.C.Ken all and FIG'-6C BY L.H.0rpm.

THEIR ATTORNEY H. C. KENDALL ET AL AIRWAY TRAFFIC CONTROL SYSTEM March 11, 1952 56 Sheets-Sheet 12 Filed April 22. 1947 w w E mm IEEE EW AE E lllll llkmar W K n P SN F. mm M I M Q: g l m 7.8 5 RN +3 98 FNWM 3 m3 imw E nmN 1 II 1 J e ll Q8 m SM m3 7 m |l QM m Q8 Q3 .I l I I I I I I I I I I I lllllllllllllllllllllllllllallL THEIR ATTORNEY.

arch 11, 19 52 56 Sheets-Sheet 15 Filed April 22, 1947 V W KW Raw 8% ow w d r350 M20 525.300 NEE? 205: m m ||l|| .ll|||.| ml n TV 4 RN 3 :85 20mm E mm x85 THEIR ATTORNEY 36 Sheets-Sheet 14 Filed April 22. 1947 VI. LW E 0 N M 0 a H MOM m H. H HL T Flilulfn-IlurLIfLnllllllFlhlllH-ll I I I I I IIIIIIIL mob/2.2520 1.55 M33 1 W IIII llv||I|l.llII| March 1952 H. c. KENDALL ETAL AIRWAY TRAFFIC CONTROL SYSTEM 36 Sheets-Sheet 15 Filed April 22. 1947 INV NTORS H.C.Kendll and L.H.0r m.

THEIR ATTORNEY.

March 11, 1952 Filed April 22, 1947 H; c. KENDALL ET AL AIRWAY TRAFFIC CONTROL SYSTEM 36 Sheets-Sheet 2O F76 6 m. I MODULATOR I FROM HIGH pea VOLTAGE SOURCE T0 CATHODE OF I 660 b OSCILLATOR I as 665 668 I FROM PULSE Z BLOCKS I FORMING 664 666 83 x; 92 CIRCUITS 670 I 88 a? 90 669 I 635 I sea FIG. 6n. PULSE FORMING CIRCUITS 7 5 l 1,u,sEc. PE. rfllbrlflbl l G77 T T H.C. Kendall and L.H. Orpm.

THEIR ATTORNEY 

